aubreygonzalez2121
aubreygonzalez2121
26-01-2021
Mathematics
contestada
i will give brainliest!
Respuesta :
Аноним
Аноним
26-01-2021
Answer:
39
Step-by-step
<a+<b+<c=180=2x+2x+x-15=5x-15=180
5x=195
x=39
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